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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 57 1988 1905 66 62 418 11748

Akira Chiba publications per year

The chart shows the history of publications by Akira Chiba between 1966 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Akira Chiba published across 60 years, from 1966 to 2025, averaging 10.7 papers a year. Output peaked at 37 publications in 2016. 25 of the 644 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1966 to 2025. Vertical axis: number of publications, 0 to 37. Peak 37 publications in 2016. 1966: 2 publications 1967: 0 publications 1968: 0 publications 1969: 1 publication 1970: 1 publication 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 1 publication 1981: 1 publication 1982: 2 publications 1983: 3 publications 1984: 2 publications 1985: 0 publications 1986: 2 publications 1987: 2 publications 1988: 5 publications 1989: 7 publications 1990: 5 publications 1991: 7 publications 1992: 6 publications 1993: 11 publications 1994: 7 publications 1995: 22 publications 1996: 12 publications 1997: 12 publications 1998: 10 publications 1999: 13 publications 2000: 13 publications 2001: 9 publications 2002: 11 publications 2003: 16 publications 2004: 12 publications 2005: 29 publications 2006: 12 publications 2007: 17 publications 2008: 16 publications 2009: 19 publications 2010: 8 publications 2011: 16 publications 2012: 18 publications 2013: 19 publications 2014: 23 publications 2015: 35 publications 2016: 37 publications 2017: 24 publications 2018: 31 publications 2019: 29 publications 2020: 18 publications 2021: 25 publications 2022: 24 publications 2023: 23 publications 2024: 13 publications 2025: 12 publications
1966 2025

644 publications in total across all disciplines

View publications per year as a table
Akira Chiba: publications per year, 1966 to 2025
Year Publications
1966 2
1967 0
1968 0
1969 1
1970 1
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 1
1978 0
1979 0
1980 1
1981 1
1982 2
1983 3
1984 2
1985 0
1986 2
1987 2
1988 5
1989 7
1990 5
1991 7
1992 6
1993 11
1994 7
1995 22
1996 12
1997 12
1998 10
1999 13
2000 13
2001 9
2002 11
2003 16
2004 12
2005 29
2006 12
2007 17
2008 16
2009 19
2010 8
2011 16
2012 18
2013 19
2014 23
2015 35
2016 37
2017 24
2018 31
2019 29
2020 18
2021 25
2022 24
2023 23
2024 13
2025 12
Total 644
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Akira Chiba publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Akira Chiba sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 414–433 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 418 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169 418
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Akira Chiba D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Akira Chiba sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 57 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 57 D-Index — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102 57
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Research.com Recognitions

  • 2020 - IEEE Nikola Tesla Award “For contributions to bearingless and reluctance motors.”
  • 2007 - IEEE Fellow For contributions to bearingless AC motor drives

Overview

Akira Chiba is affiliated with the Tokyo Institute of Technology in Japan. Their research primarily focuses on engineering, with 174 publications in this main field. More specifically, their work spans several subfields including Electrical and Electronic Engineering, Control and Systems Engineering, Mechanical Engineering, Electronic, Optical and Magnetic Materials, and Computational Mechanics.

The key topics in Chiba's research include Magnetic Bearings and Levitation Dynamics, Electric Motor Design and Analysis, Magnetic Properties and Applications, Tribology and Lubrication Engineering, Laser Material Processing Techniques, Sensorless Control of Electric Motors, and Advanced Surface Polishing Techniques.

The researcher has frequently published in the following venues:

  • IEEE Transactions on Industry Applications
  • IEEE Open Journal of Industry Applications
  • 2022 IEEE Energy Conversion Congress and Exposition (ECCE)
  • Precision Engineering
  • 2022 25th International Conference on Electrical Machines and Systems (ICEMS)

Notable recent papers by Akira Chiba include:

  • Optimum Pole Number Combination of a Buried Permanent Magnet Bearingless Motor and Test Results at an Output of 60 kW With a Speed of 37000 r/min, 2020, IEEE Open Journal of Industry Applications
  • Experimental Verification of Acoustic Noise and Radial Force Sum Variation in Switched Reluctance Motor, 2021, IEEE Transactions on Industry Applications
  • Vibration and Acoustic Noise Reduction in Switched Reluctance Motor by Selective Radial Force Harmonics Reduction, 2022, IEEE Open Journal of Industry Applications
  • Analysis and Experimental Comparison of Acoustic Noise of Three Switched Reluctance Motors Made of Conventional Steel, High Silicon Steel, and Amorphous Iron, 2021, IEEE Transactions on Industry Applications
  • Improved Current Profile Selection for Noise Reduction of Switched Reluctance Motor at Middle Speed Considering Back EMF, 2021, IEEE Transactions on Industry Applications

Frequent coauthors include:

  • Yusuke Fujii
  • Hirofumi Hidai
  • Souta Matsusaka
  • Yifei Cai
  • Noboru Morita

Throughout their career, Chiba has received the IEEE Nikola Tesla Award in 2020 for contributions to bearingless and reluctance motors. They were also named IEEE Fellow in 2007 for contributions to bearingless AC motor drives.

Best Publications

  • Magnetic Bearings and Bearingless Drives

    Akira Chiba;Tadashi Fukao;Osamu Ichikawa;Masahide Oshima

  • An analysis of bearingless AC motors

    A. Chiba;T. Deido;T. Fukao;M.A. Rahman

  • Radial force and torque of a bearingless switched reluctance motor operating in a region of magnetic saturation

    M. Takemoto;A. Chiba;H. Akagi;T. Fukao

  • Design of Switched Reluctance Motor Competitive to 60-kW IPMSM in Third-Generation Hybrid Electric Vehicle

    K. Kiyota;A. Chiba

  • Torque Density and Efficiency Improvements of a Switched Reluctance Motor Without Rare-Earth Material for Hybrid Vehicles

    Akira Chiba;Yuichi Takano;Motoki Takeno;Takashi Imakawa

  • Improved analysis of a bearingless switched reluctance motor

    M. Takemoto;H. Suzuki;A. Chiba;T. Fukao

  • Super high speed electrical machines - summary

    M.A. Rahman;A. Chiba;T. Fukao

  • Test Results and Torque Improvement of the 50-kW Switched Reluctance Motor Designed for Hybrid Electric Vehicles

    M. Takeno;A. Chiba;N. Hoshi;S. Ogasawara

  • Development of a Rare-Earth-Free SR Motor With High Torque Density for Hybrid Vehicles

    Akira Chiba;Kyohei Kiyota;Nobukazu Hoshi;Masatsugu Takemoto

  • Electron microscopy studies of twin morphologies in B19′ martensite in the Ti-Ni shape memory alloy

    M. Nishida;H. Ohgi;I. Itai;A. Chiba

  • Acoustic Noise and Vibration Reduction of SRM by Elimination of Third Harmonic Component in Sum of Radial Forces

    Masaki Takiguchi;Hiroya Sugimoto;Noboru Kurihara;Akira Chiba

  • Design and analysis of permanent magnet-type bearingless motors

    M. Ooshima;A. Chiba;T. Fukao;M.A. Rahman

  • Proposal and Analysis of a Novel Single-Drive Bearingless Motor

    J. Asama;Y. Hamasaki;T. Oiwa;A. Chiba

  • A method of determining the advanced angle of square-wave currents in a bearingless switched reluctance motor

    M. Takemoto;A. Chiba;T. Fukao

  • Basic characteristics of a consequent-pole-type bearingless motor

    J. Amemiya;A. Chiba;D.G. Dorrell;T. Fukao

  • Radial force in a bearingless reluctance motor

    A. Chiba;M.A. Rahman;T. Fukao

  • Comparison of Test Result and Design Stage Prediction of Switched Reluctance Motor Competitive With 60-kW Rare-Earth PM Motor

    Kyohei Kiyota;Takeo Kakishima;Akira Chiba

  • Characteristics of a bearingless induction motor

    A. Chiba;D.T. Power;M.A. Rahman

  • An air-gap-flux-oriented vector controller for stable operation of bearingless induction motors

    T. Suzuki;A. Chiba;M. Azizur Rahman;T. Fukao

  • Cylindrical Rotor Design for Acoustic Noise and Windage Loss Reduction in Switched Reluctance Motor for HEV Applications

    Kyohei Kiyota;Takeo Kakishima;Akira Chiba;M. Azizur Rahman

  • An improved control method of buried-type IPM bearingless motors considering magnetic saturation and magnetic pull variation

    M. Ooshima;A. Chiba;A. Rahman;T. Fukao

Frequent Co-Authors

David G. Dorrell
David G. Dorrell University of Turku
Mineo Kurokawa
Mineo Kurokawa University of Tokyo
Mustafizur Rahman
Mustafizur Rahman Memorial University of Newfoundland
Hirofumi Akagi
Hirofumi Akagi Tokyo Institute of Technology
Thomas M. Jahns
Thomas M. Jahns University of Wisconsin–Madison
Eduard Muljadi
Eduard Muljadi Auburn University
Stavros A. Papathanassiou
Stavros A. Papathanassiou National Technical University of Athens
Chunhua Liu
Chunhua Liu City University of Hong Kong
Yilmaz Sozer
Yilmaz Sozer University of Akron
Christopher H. T. Lee
Christopher H. T. Lee Nanyang Technological University

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